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Finding the Fourth Proportional to 179,430, 247,613.40 and 104,022.24

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Solution

The fourth proportional to 179,430, 247,613.40 and 104,022.24 is: 143,550.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,430 : 247,613.40 = 104,022.24 : x
  2. Step 2: Convert to fraction form
    179,430/247,613.40 = 104,022.24/x
  3. Step 3: Cross multiply
    179,430x = 247,613.40 × 104,022.24
  4. Step 4: Simplify right side
    179,430x = 25,757,300,522.02
  5. Step 5: Solve for x
    x = 25,757,300,522.02/179,430
  6. Step 6: Final answer
    x = 143,550.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.